平年値（旬ごとの値）
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徳佐（山口県) 平年値（旬ごとの値）
| 要素 | 降水量 (mm) | 平均気温 (℃) | 日最高気温 (℃) | 日最低気温 (℃) | 平均風速 (m/s) | 日照時間 (h) | 降雪の深さ合計 (cm) | 最深積雪 (cm) | |
|---|---|---|---|---|---|---|---|---|---|
| 統計期間 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | /// | /// | |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 0 | 0 | |
| 1月 | 上旬 | 33.0 | 2.2 | 7.0 | -1.8 | 1.0 | 22.2 | /// | /// |
| 中旬 | 38.7 | 1.9 | 6.5 | -2.0 | 1.0 | 21.1 | /// | /// | |
| 下旬 | 50.9 | 1.3 | 5.8 | -2.7 | 1.1 | 23.5 | /// | /// | |
| 2月 | 上旬 | 34.9 | 1.6 | 6.4 | -2.7 | 1.1 | 24.6 | /// | /// |
| 中旬 | 37.0 | 2.8 | 8.0 | -1.8 | 1.2 | 31.4 | /// | /// | |
| 下旬 | 34.5 | 4.2 | 9.8 | -0.9 | 1.3 | 30.7 | /// | /// | |
| 3月 | 上旬 | 51.4 | 4.9 | 10.3 | -0.1 | 1.4 | 35.7 | /// | /// |
| 中旬 | 45.5 | 6.3 | 12.5 | 0.4 | 1.5 | 46.3 | /// | /// | |
| 下旬 | 49.9 | 7.6 | 13.6 | 1.9 | 1.4 | 51.7 | /// | /// | |
| 4月 | 上旬 | 46.0 | 9.9 | 16.3 | 3.7 | 1.5 | 55.2 | /// | /// |
| 中旬 | 48.3 | 11.7 | 18.0 | 5.6 | 1.5 | 56.9 | /// | /// | |
| 下旬 | 42.3 | 13.6 | 19.8 | 7.5 | 1.6 | 60.4 | /// | /// | |
| 5月 | 上旬 | 48.6 | 15.9 | 22.2 | 10.0 | 1.6 | 63.2 | /// | /// |
| 中旬 | 55.9 | 16.6 | 22.7 | 10.7 | 1.5 | 62.1 | /// | /// | |
| 下旬 | 49.2 | 17.9 | 24.0 | 12.2 | 1.4 | 67.6 | /// | /// | |
| 6月 | 上旬 | 36.5 | 19.3 | 25.1 | 14.3 | 1.3 | 53.3 | /// | /// |
| 中旬 | 78.6 | 20.6 | 25.8 | 16.3 | 1.2 | 44.2 | /// | /// | |
| 下旬 | 116.6 | 21.8 | 26.3 | 18.3 | 1.4 | 29.6 | /// | /// | |
| 7月 | 上旬 | 144.9 | 23.3 | 27.6 | 20.0 | 1.5 | 31.6 | /// | /// |
| 中旬 | 101.9 | 24.4 | 29.0 | 20.8 | 1.5 | 42.8 | /// | /// | |
| 下旬 | 91.1 | 25.5 | 30.6 | 21.6 | 1.4 | 61.6 | /// | /// | |
| 8月 | 上旬 | 58.0 | 25.8 | 31.3 | 21.9 | 1.4 | 62.6 | /// | /// |
| 中旬 | 64.0 | 25.3 | 30.5 | 21.5 | 1.3 | 53.3 | /// | /// | |
| 下旬 | 79.5 | 24.3 | 29.5 | 20.4 | 1.3 | 55.3 | /// | /// | |
| 9月 | 上旬 | 83.7 | 22.8 | 27.9 | 18.9 | 1.1 | 42.8 | /// | /// |
| 中旬 | 59.7 | 21.1 | 26.5 | 16.9 | 1.1 | 44.3 | /// | /// | |
| 下旬 | 65.2 | 18.9 | 24.4 | 14.4 | 1.0 | 42.5 | /// | /// | |
| 10月 | 上旬 | 44.8 | 17.1 | 22.9 | 12.2 | 1.0 | 46.8 | /// | /// |
| 中旬 | 35.0 | 14.8 | 21.2 | 9.5 | 1.0 | 52.1 | /// | /// | |
| 下旬 | 36.9 | 12.7 | 19.0 | 7.3 | 1.0 | 51.6 | /// | /// | |
| 11月 | 上旬 | 30.4 | 11.1 | 17.5 | 5.6 | 1.0 | 44.3 | /// | /// |
| 中旬 | 36.0 | 9.2 | 15.0 | 4.1 | 1.0 | 34.4 | /// | /// | |
| 下旬 | 31.0 | 7.2 | 13.2 | 2.1 | 0.9 | 33.6 | /// | /// | |
| 12月 | 上旬 | 41.5 | 5.2 | 10.7 | 0.6 | 1.0 | 27.8 | /// | /// |
| 中旬 | 33.1 | 3.7 | 8.6 | -0.4 | 1.0 | 21.4 | /// | /// | |
| 下旬 | 41.8 | 2.9 | 7.9 | -1.2 | 1.0 | 25.5 | /// | /// | |